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DTMF SHIELD
DTMF shield for Arduino. Enables remote control via phone keypad tones for automation and security projects.
Description
The DTMF Shield is a communication and control expansion board designed for Arduino and microcontroller-based projects that require Dual Tone Multi Frequency (DTMF) signal decoding. It enables devices to be remotely controlled via phone calls or GSM modules by interpreting keypad tones. Commonly used in remote switching, home automation, security systems, and industrial control, the DTMF Shield offers reliable decoding and easy integration. Its shield form factor allows quick plug-and-play connection with Arduino boards, making it ideal for students, hobbyists, and DIY automation projects.
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- Â Support 802.11b / n / g wireless standard
- Independent development MCU platform
- High cost performance
- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
HC-06 4Pin Bluetooth Module Without Reset Switch
- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.
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